Sildenafil acts as the active ingredient in Kamagra 100 Mg. Kamagra 100 is mainly taken 1 hour before intercourse. After taking Kamagra 100, its effect lasts for 4-5 hours. Kamagra 100mg is widely used for ED. Seek medical advice before taking Kamagra 100. Kamagra 100mg is the best drug for ED. Tadalista 10 is more commonly used. If you want to see the effect of Kamagra 100 Mg quickly, you can take it on an empty stomach.